ApplicationContextAwareProcessorTests.cs :  » Inversion-of-Control-Dependency-Injection » Spring.net » Spring » Context » Support » C# / CSharp Open Source

#region License

/*
 * Copyright  2002-2005 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#endregion

using System;
using System.Security.Policy;
using NUnit.Framework;

namespace Spring.Context.Support{
  [TestFixture]
  public sealed class ApplicationContextAwareProcessorTests
  {
    [Test]
    public void AttachResourceLoader()
    {
      MockApplicationContext ctx = new MockApplicationContext("MockApplicationContext");
      ApplicationContextAwareProcessor processor = new ApplicationContextAwareProcessor(ctx);
      MockContextAwareObject obj = new MockContextAwareObject();
      Assert.IsNull(obj.ResourceLoader, "ResourceLoader Does Not Equal");
      MockContextAwareObject obj2 = (MockContextAwareObject) processor.PostProcessBeforeInitialization(obj, "MyContextAwareObject");
      Assert.AreEqual(ctx, obj2.ResourceLoader, "ResourceLoader Does Not Equal");
    }

    [Test]
    public void DoNotAttachResourceLoaderForRegularObject()
    {
      MockApplicationContext ctx = new MockApplicationContext();
      ApplicationContextAwareProcessor processor = new ApplicationContextAwareProcessor(ctx);
      object obj = new object();
      object obj1 = processor.PostProcessBeforeInitialization(obj, "MyContextAwareObject");
      Assert.AreEqual(obj, obj1, "Objects don't equal");
    }

    [Test]
    public void AttachContext()
    {
      MockApplicationContext ctx = new MockApplicationContext();
      ApplicationContextAwareProcessor processor = new ApplicationContextAwareProcessor(ctx);
      MockContextAwareObject obj = new MockContextAwareObject();
      Assert.IsNull(obj.GetApplicationContext(), "Context Does Not Equal");
      MockContextAwareObject obj2 = (MockContextAwareObject) processor.PostProcessBeforeInitialization(obj, "MyContextAwareObject");
      Assert.AreEqual(ctx, obj2.GetApplicationContext(), "Context Does Not Equal");
    }

    [Test]
    public void DoNotAttachContextForRegularObject()
    {
      MockApplicationContext ctx = new MockApplicationContext();
      ApplicationContextAwareProcessor processor = new ApplicationContextAwareProcessor(ctx);
      object obj = new object();
      object obj1 = processor.PostProcessBeforeInitialization(obj, "MyContextAwareObject");
      Assert.AreEqual(obj, obj1, "Objects don't equal");
    }

    [Test]
    public void AfterInitReturnsSameInstanceAsWasPassedIn()
    {
      MockApplicationContext ctx = new MockApplicationContext();
      ApplicationContextAwareProcessor processor = new ApplicationContextAwareProcessor(ctx);
      object obj = new object();
      object obj1 = processor.PostProcessAfterInitialization(obj, "MyContextAwareObject");
      Assert.AreEqual(obj, obj1, "Objects don't equal");
    }

    [Test]
    public void AlwaysIgnoresProxiedMessageSourceAwareObjects()
    {
      PostProcessTProxiedObject(new ProcessedObjectChecker(
        _AlwaysIgnoresProxiedMessageSourceAwareObjects));
    }

    private void _AlwaysIgnoresProxiedMessageSourceAwareObjects(MockContextAwareObject obj) 
    {
      Assert.IsNull(obj.MessageSource,
        "Transparent proxy IMessageSourceAware object was not ignored (must be).");
    }

    [Test]
    public void AlwaysIgnoresProxiedResourceLoaderAwareObjects()
    {
      PostProcessTProxiedObject(new ProcessedObjectChecker(
        _AlwaysIgnoresProxiedResourceLoaderAwareObjects));
    }

    private void _AlwaysIgnoresProxiedResourceLoaderAwareObjects(MockContextAwareObject obj) 
    {
      Assert.IsNull(obj.ResourceLoader,
        "Transparent proxy IResourceLoaderAware object was not ignored (must be).");
    }

    [Test]
    public void AlwaysIgnoresProxiedApplicationContextAwareAwareObjects()
    {
      PostProcessTProxiedObject(new ProcessedObjectChecker(
        _AlwaysIgnoresProxiedApplicationContextAwareAwareObjects));
    }

    private void _AlwaysIgnoresProxiedApplicationContextAwareAwareObjects(MockContextAwareObject obj) 
    {
      Assert.IsNull(obj.ApplicationContext,
        "Transparent proxy IApplicationContextAwareAware object was not ignored (must be).");
    }

    private void PostProcessTProxiedObject(ProcessedObjectChecker test) 
    {
      AppDomain domain = null;
      try
      {
        AppDomainSetup setup = new AppDomainSetup();
        setup.ApplicationBase = Environment.CurrentDirectory;
        domain = AppDomain.CreateDomain("Spring", new Evidence(AppDomain.CurrentDomain.Evidence), setup);
        object foo = domain.CreateInstanceAndUnwrap(GetType().Assembly.FullName, typeof(MockContextAwareObject).FullName);
  
        MockApplicationContext ctx = new MockApplicationContext();
        ApplicationContextAwareProcessor processor = new ApplicationContextAwareProcessor(ctx);
        MockContextAwareObject afterFoo = (MockContextAwareObject) processor.PostProcessBeforeInitialization(foo, "MyContextAwareObject");
        test(afterFoo);
      }
      finally
      {
        try
        {
          AppDomain.Unload(domain);
        }
        catch (Exception ex)
        {
          Console.Write("Error unloading AppDomain used during testing : " + ex);
        }
      }
    }

    private delegate void ProcessedObjectChecker(MockContextAwareObject obj);
  }
}